[MAJOR] Secret Manager

[EcosystemNetwork]

Secure credential management with 1Password/Bitwarden integration.

Problem

Secrets scattered in .env files, no audit trail, manual rotation.

Solution

Unified secret manager supporting multiple backends.

Acceptance Criteria

• Support for 1Password (leverage existing skill)
• Support for Bitwarden
• Local encrypted storage fallback
• Automatic secret rotation
• Audit logging for all credential access
• CLI commands: openclaw secrets set/get/rotate/list

Repos

• openclaw-secret-manager

Sub-agent: Deciple5
Status: Planning
Effort: 1 week